Answer this question truthfully
### Question: What are the symptoms of Kernicterus?
### Response: The symptoms depend on the stage of kernicterus.
Early stage:
Extreme jaundice Absent startle reflex Poor feeding or sucking Extreme sleepiness (lethargy)
Mid stage:
High-pitched cry Arched back with neck hyperextended backwards Bulging fontanel (soft spot) Seizures
Late stage (full neurological syndrome):
High-frequency hearing loss Mental retardation Muscle rigidity Speech difficulties Seizures Movement disorder